Isn't it cheaper to travel by sea?

Isn't it cheaper to travel by sea? 英语短语成分Isn't it cheaper to travel by sea?请说出这句话的每个词或短语在这句话里所做 i perfer to travel by train .traveling by train is cheaper t It is much cheaper and far more enjoyable to travel by train 阅读理解。 It can be dangerous to travel by sea. Ships sometimes 初一英语阅读题It can be dangerous to travel by sea.Ships sometimes The cheap way to travel is by taxi The cheaper way to travel ___ cheaper and ___ enjoyable to travel by train than by pla ___ (travel)by bus takes longer,but it is cheaper than ____( some people thinks it is very()to travel by sea 空格中填一个f开头单词 It also makes it cheaper to travel abroad.的同义句 How long does it ( ) to travel from Beijing to Shanghai by t